title: Ulcerative nodule on a chronic discoid lupus erythematosus lesion.
authors.affiliation: Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Maryam
authors.initials: M
authors.lastname: Yousefi
authors.forename: Behrooz
authors.initials: B
authors.lastname: Barikbin
authors.forename: Zahra
authors.initials: Z
authors.lastname: Asadi-Kani
authors.forename: Fahimeh
authors.initials: F
authors.lastname: Abdollahimajd
authors.forename: Nikoo
authors.initials: N
authors.lastname: Mozafari
authors.forename: Ehsan
authors.initials: E
authors.lastname: Abolhasani